The chemical bond that holds the bases of the two strands of DNA together is
oxygen bond
hydrogen bond
electrovalent bond
covalent bond
Correct answer is B
Hydrogen bonds form between the nitrogenous bases in one strand and the nitrogenous bases in the other strand of DNA.
14
56
28
7
Correct answer is A
Mitosis is a process of cell reproduction in which one cell gives rise to two genetically identical daughter cells of the same number. Hence, the daughter cell has the same number as the parent cell prior to the process.
Genes that remain linked are those
close to each other on the chromosomes
on the same locus on the chromosomes
on the homologous chromosomes
that are allelic pairs
Correct answer is A
Linked genes are genes that are found near each other on the same chromosome.
P
Q
S
R
Correct answer is C
No explanation has been provided for this answer.
The greatest contribution to genetic studies was made by
Gregor Mendel
Thomas Morgan
Charles Darwin
Robert Hooke
Correct answer is A
Gregor Mendel is considered the founder of modern science of genetics.
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